Web@7h4ro3: The last line in Lily's post is the correct answer. Using Contains for your query is wrong and Any is the correct way. Contains performs a comparison by object reference identity but EF and the database manage identity by a key, hence you need to use a key property ( Id) to compare. – Slauma May 14, 2013 at 22:46 Add a comment 1 WebJan 26, 2024 · I have step one working: var including = new string [] { "OUT", "INOUT" }; outPutCount = list.Where (x => including.Contains (x.ParmDir)).Count (); But what is the syntax to exclude something like: var excluding = new string [] { "ErrorLogId" }; x <> excluding.Contains (x.ParmName) //So the full statement would be something like this:
Benchmarking LINQ in C#. How to benchmark your code and find …
WebDec 11, 2015 · To be used inside linq queries public Expression> GetSelectXpr (string filter, string value) { if (filter == "attachments") return e => e.attachments == value; else if (filter == "flagged") return e => e.flagged == value; else return e => e.seen == value; } Usage. WebNov 27, 2014 · LINQ Where clause with Contains where the list has complex object. I've seen plenty of examples of LINQ with a contains on a simple list of objects: var intList= new List () { 1, 2, 3 }; var result = db.TableRecords.Where (c => intList.Contains (c.RecordId)).ToList (); What I'm trying to do seems slightly more complicated (I think). table vidal
c# - Using Linq to do a Contains with multiple values - Stack Overflow
WebC# Linq: var meds = (from m in Medications where names.Any (name => name.Equals (m.BrandName) m.GenericName.Contains (name)) select m); Extension methods: List meds = Medications .Where ( med => names.Any ( name => name.Equals ( med.BrandName ) med.GenericName.Contains ( name ) ) ) .ToList (); Share Improve … WebSep 15, 2024 · In a LINQ query, the from clause comes first in order to introduce the data source ( customers) and the range variable ( cust ). C#. //queryAllCustomers is an … WebSep 10, 2010 · Not sure if this is appropriate but it is quite useful, you can use ifs quite handily with conditional where clauses: var r = (from p in productinfo.tblproduct where p.Accountid == accountid select p); if (uuf1 != null) r = r.Where (p => p.UnitUserField1 == uuf1); if (uuf2!= null) r = r.Where (p => p.UnitUserField2 == uuf2); tab lexotanil